this is home video obtained by nbc showing surviving bombing suspect dzhokhar tsarnaev competing in a wrestling match in 2009. he is the wrestler in the black uniform. he competed in the 112-pound weight class in this massachusetts tournament four years ago. >>> new details tonight on another victim of the marathon bombers. the boston transit police officer wounded in a shoot-out late thursday night, 33-year-old richard donohue was in stable but critical condition in cambridge on a breathing machine. but doctors say hey he is expected to make a full recovery. revealing today that he lost nearly all his blood, and as a result, his heart stopped from a time after a bullet severed three major blood vessels in his thigh. his brother is an officer with the winchester police department in massachusetts. >> he works for the transit. and i always tell him you're never going to see any action because you're on the subway. but, there he is, jumping into the midst of a gunfight in watertown and making transit very proud, and making our entire family and i aim aye assume our entire state and coun